I noticed something interesting today, there are some Comoy Christmas pipes on the bay ranging in date from the late 70's through the 80's.
Here is the C logo on the 1977 pipe
Here is the C logo on the 1978 pipe
I think we can safely say this is the time of transition from the 3 piece C logo.
Here is the C logo on the 1977 pipe
Here is the C logo on the 1978 pipe
I think we can safely say this is the time of transition from the 3 piece C logo.